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DA style molded dual arch rubber expansion joints are designed to absorb movements and stress on piping systems, compensate for pipe misalignment, reduce vibration and system noise. The style DA protects against start-up forces as well as system surges. All DA style joints come standard with ANSI 150# solid floating metallic flanges and metallic root rings. The design of the DA style does not contain any metallic reinforcement in the carcass of the bellows. Instead the carcass has a minimum of four layers of high tensile synthetic fabric. Each layer is impregnated with a rubber or synthetic compound. This allows movement and flexibility between the layers of fabric. The DA style design has a long radius arch allowing for self cleaning and thus eliminating the need for a filled arch. The DA style is the most economic choice when it comes to dual arch rubber expansion joints. The DA is available on request to meet the requirements of the U.S.C.G.
Column1 Column2 Column3 Column4 Column5 Column6 Column7 Column8 Column9 Column10 Column11 Column12 Column13 Column14 Column15 Column16 Column17 DUAL ARCH (DA) Diminsions Diminsions Diminsions Diminsions Diminsions Diminsions Diminsions Diminsions Movement Distance Movement Distance Movement Distance Movement Distance Operating Condition Operating Condition Weight (LBS) Weight (LBS) DUAL ARCH (DA) Pipe Size O'all Length Flange OD Bolt Circle Flange Thickness No. of Bolt Holes Bolt Hole Size Threaded Hole Size Axial Compression Axial Extension Lateral Deflection Angular Deflection Max w.p. (psi)-3,-4 Max Vacuum (in. of Hg)-5 Exp. Joint + Flanges Control Unit (2 Rod)-1,-2 DUAL ARCH (DA) 1" 5" 4 1/4" 3 1/8" 0.55" 4 5/8" 1/2"-13 2" 1.188" ±1.75" 45° 225 26 4.00 5.50 DUAL ARCH (DA) 1 1/4" 7" 4 5/8" 3 1/2" 0.55" 4 5/8" 1/2"-13 2" 1.188" ±1.75" 45° 225 26 5.25 5.50 DUAL ARCH (DA) 1 1/2" 7" 5" 3 7/8" 0.55" 4 5/8" 1/2"-13 2" 1.188" ±1.75" 45° 225 26 6.00 5.50 DUAL ARCH (DA) 2" 7" 6" 4 3/4" 0.63" 4 3/4" 5/8"-11 2" 1.188" ±1.75" 45° 225 26 8.50 6.75 DUAL ARCH (DA) 2 1/2" 7" 7" 5 1/2" 0.71" 4 3/4" 5/8"-11 2" 1.188" ±1.75" 43° 225 26 11.25 8.00 DUAL ARCH (DA) 3" 7" 7 1/2" 6" 0.71" 4 3/4" 5/8"-11 2" 1.188" ±1.75" 38° 225 26 13.75 8.00 DUAL ARCH (DA) 4" 9" 9" 7 1/2" 0.71" 8 3/4" 5/8"-11 2.25" 1.375" ±1.562" 34° 225 26 19.25 7.50 DUAL ARCH (DA) 5" 9" 10" 8 1/2" 0.79" 8 7/8" 3/4"-10 2.25" 1.375" ±1.562" 29° 225 26 22.50 8.00 DUAL ARCH (DA) 6" 9" 11" 9 1/2" 0.87" 8 7/8" 3/4"-10 2.25" 1.375" ±1.562" 25° 225 26 28.00 9.00 DUAL ARCH (DA) 8" 13" 13 1/2" 11 3/4" 0.87" 8 7/8" 3/4"-10 2.5" 1.375" ±1.375" 19° 225 26 46.00 13.00 DUAL ARCH (DA) 10" 13" 16" 14 1/4" 0.95" 12 1" 7/8"-9 2.5" 1.375" ±1.375" 15° 225 26 63.00 25.25-1 DUAL ARCH (DA) 12" 13" 19" 17" 0.95" 12 1" 7/8"-9 2.5" 1.375" ±1.375" 13° 225 26 88.00 28.01-1 DUAL ARCH (DA) 14" 13.75" 21" 18 3/4" 1.02" 12 1 1/8" 1" -8 1.75" 1.118" ±1.118" 9° 150 26 119.00 33.55-1 DUAL ARCH (DA) 16" 13.75" 23 1/2" 21 1/4" 1.10" 16 1 1/8" 1" -8 1.75" 1.118" ±1.118" 8° 150 26 147.00 41.00-2 DUAL ARCH (DA) 18" 13.75" 25" 22 3/4" 1.18" 16 1 1/4" 1 1/8" -7 1.75" 1.118" ±1.118" 7° 150 26 158.00 43.50-2 DUAL ARCH (DA) 20" 13.75" 27 1/2" 25" 1.18" 20 1 1/4" 1 1/8" -7 1.75" 1.118" ±1.118" 7° 150 26 185.00 44.50-2 DUAL ARCH (DA) 24" 13.75" 32" 29 1/2" 1.18" 20 1 3/8" 1 1/4" -7 1.75" 1.118" ±1.118" 5° 150 26 211.00 62.50-2
| Column1 | Column2 | Column3 | Column4 | Column5 | Column6 | Column7 | Column8 | Column9 | Column10 | Column11 |
|---|---|---|---|---|---|---|---|---|---|---|
| Size | 100% EPDM | 100% EPDM | 100% Neoprene | 100% Neoprene | Nitrile Tube/Neoprene Cover | Nitrile Tube/Neoprene Cover | Control Unit (Control Rods) | Control Unit (Control Rods) | Control Unit (Control Rods) | Control Unit (Control Rods) |
| Pipe | Part No. | Price | Part No. | Price | Part No. | Price | Carbon Steel Zinc Plated_x000D_ Part No. | Price (SET) | T-304_x000D_ Part No. | Price (SET) |
| Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Unthreaded Bolt Holes (Carbon Steel Zinc Plated Flanges) |
| 1" | DA-16-EE | $50.80 | DA-16-NN | $40.55 | DA-16-NP | $58.43 | LR-16-L | $34.65 | LR-16-L-304 | $ 80.85 |
| 1 1/4" | DA-20-EE | $50.80 | DA-20-NN | $40.55 | DA-20-NP | $58.43 | LR-20-L | $64.65 | LR-20-L-304 | $80.85 |
| 1 1/2" | DA-24-EE | $50.80 | DA-24-NN | $40.55 | DA-24-NP | $58.43 | LR-24-L | $34.65 | LR-24-L-304 | $80.85 |
| 2" | DA-32-EE | $55.87 | DA-32-NN | $46.10 | DA-32-NP | $64.25 | LR-32-L | $38.82 | LR-32-L-304 | $90.58 |
| 2 1/2" | DA-40-EE | $68.58 | DA-40-NN | $57.55 | DA-40-NP | $78.86 | LR-40-L | $39.93 | LR-40-L-304 | $93.17 |
| 3" | DA-48-EE | $81.28 | DA-48-NN | $64.54 | DA-48-NP | $93.47 | LR-48-L | $39.93 | LR-48-L-304 | $93.17 |
| 4" | DA-64-EE | $111.77 | DA-64-NN | $94.72 | DA-64-NP | $128.53 | LR-64-L | $39.93 | LR-64-L-304 | $93.17 |
| 5" | DA-80-EE | $129.55 | DA-80-NN | $118.29 | DA-80-NP | $148.98 | LR-80-L | $39.93 | LR-80-L-304 | $93.17 |
| 6" | DA-96-EE | $180.34 | DA-96-NN | $164.59 | DA-96-NP | $207.40 | LR-96-L | $45.60 | LR-96-L-304 | $106.40 |
| 8" | DA-128-EE | $244.48 | DA-128-NN | $214.56 | DA-128-NP | $281.15 | LR-128-L | $50.22 | LR-128-L-304 | $117.18 |
| 10" | DA-160-EE | $324.32 | DA-160-NN | $275.26 | DA-160-NP | $372.99 | LR-160-L | $85.53 | LR-160-L-304 | $199.57 |
| 12" | DA-192-EE | $457.49 | DA-192-NN | $413.14 | DA-192-NP | $526.11 | LR-192-L | $95.73 | LR-192-L-304 | $223.37 |
| 14" | DA-224-EE | $684.87 | DA-224-NN | $597.91 | DA-224-NP | $787.60 | LR-224-L | $123.60 | LR-224-L-304 | $288.40 |
| 16" | DA-256-EE | $834.30 | DA-256-NN | $764.78 | DA-256-NP | $959.45 | LR-256-L | $197.19 | LR-256-L-304 | $460.11 |
| 18" | DA-288-EE | $989.34 | DA-288-NN | $906.90 | DA-288-NP | $1,137.74 | LR-288-L | $224.04 | LR-288-L-304 | $522.76 |
| 20" | DA-320-EE | $1,254.36 | DA-320-NN | $1,149.83 | DA-320-NP | $1,442.51 | LR-320-L | $224.04 | LR-320-L-304 | $522.76 |
| 24" | DA-384-EE | $1,541.94 | DA-384-NN | $1,413.45 | DA-384-NP | $1,773.23 | LR-384-L | $268.77 | LR-384-L-304 | $627.13 |
| Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) | Unthreaded Bolt Holes (T-304 Flanges) |
| 1" | DA-16-EE-304 | $182.08 | DA-16-NN-304 | $171.83 | DA-16-NP-304 | $189.71 | LR-16-L | $34.65 | LR-16-L-304 | $80.85 |
| 1 1/4" | DA-20-EE-304 | $187.36 | DA-20-NN-304 | $177.11 | DA-20-NP-304 | $194.99 | LR-20-L | $34.65 | LR-20-L-304 | $80.85 |
| 1 1/2" | DA-24-EE-304 | $192.13 | DA-24-NN-304 | $181.88 | DA-24-NP-304 | $199.76 | LR-24-L | $34.65 | LR-24-L-304 | $80.85 |
| 2" | DA-32-EE-304 | $251.85 | DA-32-NN-304 | $242.07 | DA-32-NP-304 | $260.23 | LR-32-L | $38.82 | LR-32-L-304 | $90.58 |
| 2 1/2" | DA-40-EE-304 | $270.85 | DA-40-NN-304 | $259.83 | DA-40-NP-304 | $281.14 | LR-40-L | $39.93 | LR-40-L-304 | $93.17 |
| 3" | DA-48-EE-304 | $313.67 | DA-48-NN-304 | $296.94 | DA-48-NP-304 | $325.86 | LR-48-L | $39.93 | LR-48-L-304 | $93.17 |
| 4" | DA-64-EE-304 | $377.34 | DA-64-NN-304 | $360.30 | DA-64-NP-304 | $394.11 | LR-64-L | $39.93 | LR-64-L-304 | $93.17 |
| 5" | DA-80-EE-304 | $427.66 | DA-80-NN-304 | $416.40 | DA-80-NP-304 | $447.09 | LR-80-L | $39.93 | LR-80-L-304 | $93.17 |
| 6" | DA-96-EE-304 | $511.33 | DA-96-NN-304 | $495.58 | DA-96-NP-304 | $538.39 | LR-96-L | $45.60 | LR-96-L-304 | $106.40 |
| 8" | DA-128-EE-304 | $676.27 | DA-128-NN-304 | $646.35 | DA-128-NP-304 | $712.94 | LR-128-L | $50.22 | LR-128-L-304 | $117.18 |
| 10" | DA-160-EE-304 | $856.69 | DA-160-NN-304 | $807.61 | DA-160-NP-304 | $905.34 | LR-160-L | $85.53 | LR-160-L-304 | $199.57 |
| 12" | DA-192-EE-304 | $1,419.20 | DA-192-NN-304 | $1,374.85 | DA-192-NP-304 | $1,487.82 | LR-192-L | $95.73 | LR-192-L-304 | $223.37 |
| 14" | DA-224-EE-304 | $2,016.18 | DA-224-NN-304 | $1,929.22 | DA-224-NP-304 | $2,118.91 | LR-224-L | $123.60 | LR-224-L-304 | $288.40 |
| 16" | DA-256-EE-304 | $2,544.93 | DA-256-NN-304 | $2,475.41 | DA-256-NP-304 | $2,670.08 | LR-256-L | $197.19 | LR-256-L-304 | $460.11 |
| 18" | DA-288-EE-304 | $2,940.15 | DA-288-NN-304 | $2,857.71 | DA-288-NP-304 | $3,088.55 | LR-288-L | $224.04 | LR-288-L-304 | $522.76 |
| 20" | DA-320-EE-304 | $3,672.06 | DA-320-NN-304 | $3,567.53 | DA-320-NP-304 | $3,860.21 | LR-320-L | $224.04 | LR-320-L-304 | $522.76 |
| 24" | DA-384-EE-304 | $4,563.90 | DA-384-NN-304 | $4,435.41 | DA-384-NP-304 | $4,795.19 | LR-384-L | $268.77 | LR-384-L-304 | $627.13 |
| Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) | Threaded Bolt Holes (Carbon Steel Zinc Plated Flanges) |
| 1" | DA-16-EE-ZP-TH | $63.65 | DA-16-NN-ZP-TH | $50.80 | DA-16-NP-ZP-TH | $73.19 | LR-16-L | $34.65 | LR-16-L-304 | $80.85 |
| 1 1/4" | DA-20-EE-ZP-TH | $63.65 | DA-20-NN-ZP-TH | $50.80 | DA-20-NP-ZP-TH | $73.19 | LR-20-L | $34.65 | LR-20-L-304 | $80.85 |
| 1 1/2" | DA-24-EE-ZP-TH | $63.65 | DA-24-NN-ZP-TH | $50.80 | DA-24-NP-ZP-TH | $73.19 | LR-24-L | $34.65 | LR-24-L-304 | $80.85 |
| 2" | DA-32-EE-ZP-TH | $67.72 | DA-32-NN-ZP-TH | $55.87 | DA-32-NP-ZP-TH | $77.88 | LR-32-L | $38.82 | LR-32-L-304 | $90.58 |
| 2 1/2" | DA-40-EE-ZP-TH | $81.71 | DA-40-NN-ZP-TH | $68.58 | DA-40-NP-ZP-TH | $93.97 | LR-40-L | $39.93 | LR-40-L-304 | $93.17 |
| 3" | DA-48-EE-ZP-TH | $102.35 | DA-48-NN-ZP-TH | $81.28 | DA-48-NP-ZP-TH | $117.71 | LR-48-L | $39.93 | LR-48-L-304 | $93.17 |
| 4" | DA-64-EE-ZP-TH | $131.88 | DA-64-NN-ZP-TH | $111.17 | DA-64-NP-ZP-TH | $151.66 | LR-64-L | $39.93 | LR-64-L-304 | $93.17 |
| 5" | DA-80-EE-ZP-TH | $141.88 | DA-80-NN-ZP-TH | $129.55 | DA-80-NP-ZP-TH | $163.17 | LR-80-L | $39.93 | LR-80-L-304 | $93.17 |
| 6" | DA-96-EE-ZP-TH | $191.35 | DA-96-NN-ZP-TH | $174.63 | DA-96-NP-ZP-TH | $220.06 | LR-96-L | $45.60 | LR-96-L-304 | $106.40 |
| 8" | DA-128-EE-ZP-TH | $278.57 | DA-128-NN-ZP-TH | $244.48 | DA-128-NP-ZP-TH | $320.35 | LR-128-L | $50.22 | LR-128-L-304 | $117.18 |
| 10" | DA-160-EE-ZP-TH | $382.18 | DA-160-NN-ZP-TH | $324.34 | DA-160-NP-ZP-TH | $439.51 | LR-160-L | $85.53 | LR-160-L-304 | $199.57 |
| 12" | DA-192-EE-ZP-TH | $506.59 | DA-192-NN-ZP-TH | $457.49 | DA-192-NP-ZP-TH | $582.58 | LR-192-L | $95.73 | LR-192-L-304 | $223.37 |
| Column1 | Column2 | Column3 | Column4 | Column5 | Column6 | Column7 | Column8 | Column9 |
|---|---|---|---|---|---|---|---|---|
| U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes | U.S. COAST GUARD APPROVED: Unthreaded Bolt Holes |
| 100% EPDM | 100% EPDM | 100% EPDM | 100% EPDM | Control Unit (Control Rods) | Control Unit (Control Rods) | Control Unit (Control Rods) | Control Unit (Control Rods) | |
| SIZE | Carbon Steel Zinc Plated Flanges | Price | T-304 Flanges | Price | Carbon Steel Zinc Plated | Price | T-304 | Price |
| 1" | DA-16-NN-ZP-CG | $55.80 | DA-16-NN-304-CG | $187.08 | LR-16-L | $34.65 | LR-16-L-304 | $80.85 |
| 1 1/4" | DA-20-NN-ZP-CG | $55.80 | DA-20-NN-304-CG | $192.36 | LR-20-L | $34.65 | LR-20-L-304 | $80.85 |
| 1 1/2" | DA-24-NN-ZP-CG | $55.80 | DA-24-NN-304-CG | $197.13 | LR-24-L | $34.65 | LR-24-L-304 | $80.85 |
| 2" | DA-32-NN-ZP-CG | $60.87 | DA-32-NN-304-CG | $256.85 | LR-32-L | $38.82 | LR-32-L-304 | $90.58 |
| 2 1/2" | DA-40-NN-ZP-CG | $73.58 | DA-40-NN-304-CG | $275.85 | LR-40-L | $39.93 | LR-40-L-304 | $93.17 |
| 3" | DA-48-NN-ZP-CG | $86.28 | DA-48-NN-304-CG | $318.67 | LR-48-L | $39.93 | LR-48-L-304 | $93.17 |
| 4" | DA-64-NN-ZP-CG | $116.77 | DA-64-NN-304-CG | $382.34 | LR-64-L | $39.93 | LR-64-L-304 | $93.17 |
| 5" | DA-80-NN-ZP-CG | $134.55 | DA-80-NN-304-CG | $432.66 | LR-80-L | $39.93 | LR-80-L-304 | $93.17 |
| 6" | DA-96-NN-ZP-CG | $185.34 | DA-96-NN-304-CG | $516.33 | LR-96-L | $45.60 | LR-96-L-304 | $106.40 |
| 8" | DA-128-NN-ZP-CG | $249.48 | DA-128-NN-304-CG | $681.27 | LR-128-L | $50.22 | LR-128-L-304 | $117.18 |
| 10" | DA-160-NN-ZP-CG | $329.34 | DA-160-NN-304-CG | $861.69 | LR-160-L | $85.53 | LR-160-L-304 | $199.57 |
| 12" | DA-192-NN-ZP-CG | $462.49 | DA-192-NN-304-CG | $1,424.20 | LR-192-L | $95.73 | LR-192-L-304 | $223.37 |
| 14" | DA-224-NN-ZP-CG | $689.87 | DA-224-NN-304-CG | $2,021.18 | LR-224-L | $123.60 | LR-224-L-304 | $288.40 |
| 16" | DA-256-NN-ZP-CG | $839.30 | DA-256-NN-304-CG | $2,549.93 | LR-256-L | $197.19 | LR-256-L-304 | $460.11 |
| 18" | DA-288-NN-ZP-CG | $994.34 | DA-288-NN-304-CG | $2,945.15 | LR-288-L | $224.04 | LR-288-L-304 | $522.76 |
| 20" | DA-320-NN-ZP-CG | $1,259.36 | DA-320-NN-304-CG | $3,677.06 | LR-320-L | $224.04 | LR-320-L-304 | $522.76 |
| 24" | DA-384-NN-ZP-CG | $1,546.94 | DA-384-NN-304-CG | $4,568.90 | LR-384-L | $268.77 | LR-384-L-304 | $627.13 |
